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I/O Expander ICs
I/O Expander can easily expand the functions such as GPIOs, Keypads, LED controls and timers to the exsiting systems.
Lineup
| Part Number | ||
|---|---|---|
| Package Dimensions |  |
 |
| Features | Up to 24 GPIO pins; on-chip RC oscillation | Up to 24 GPIO pins; on-chip RC oscillation |
| Power Suppy | 1.62-3.6 V | 1.62-3.6 V |
| Package | BGA 3.5×3.5mm (36 pins) |
QFP 10.0×10.0mm (44 pins) |
| Status | Mass Production | Mass Production |
Product feature
- Low-power operation
- I2C interface; Max. 8×12 key matrix; PWM timer; general-purpose I/O pins (GPIO)
- Up to 24 general-purpose I/O pins